noun ダウンロード 🔗共有 三葉虫 An extinct arthropod of the class Trilobita, whose body had three large lobes. Examples : "During our class field trip to the museum, we saw fossils of trilobites, ancient sea creatures easily identified by the three distinct lobes running lengthwise down their bodies. " 博物館へのクラス遠足で、三葉虫の化石を見ました。三葉虫は、体の長さに沿って走る3つの独特の葉で容易に識別できる古代の海の生き物です。 geology archaeology animal biology science history organism AIとチャット語彙ゲーム読解練習
